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Related to Young rule: Cowling rule
an obsolete rule to determine a child's dose: 12 is added to the child's age and the sum is divided by the age; the adult dose divided by the figure so obtained gives the proper dose.
Young,Thomas, English physician and physicist, 1773-1829.
Young-Helmholtz theory of color vision - a theory that there are three color-perceiving elements in the retina: red, green, and blue. Synonym(s): Helmholtz theory of color vision
Young modulus - a type of modulus of elasticity.
Young rule - an obsolete rule to determine a child's medication dose.